#include<iostream>
using namespace std;

int main()                  //骑车快还是走路快的比较，单位是秒和米
{
    int d;
    cin >> d;
    float start = 27.0,end = 23.0;
    float bike_v = 3.0,walk_v = 1.2;
    float bike_t = start+end+d/bike_v,walk_t = d/walk_v;
    if(bike_t<walk_t)
    {
        cout << "Bike";
    }
    else if(bike_t>walk_t)
    {
        cout << "Walk";
    }
    else
    {
        cout << "All";
    }
    return 0;
}